If we_________ sunlight_________ a dry leaf with a piece of glass, it may start burning.
| A．work; out | B．carry; out | C．focus; on | D．concentrate; on |
You did not let me drive. If we ____in turn, you wouldn’t be so tired now.
| A．drive | B．drove | C．were driving | D．had driven |
News reports say peace talk between the two countries____ with no agreement reached.
| A．have broken down | B．have broken out |
| C．have broken in | D．have broken up |
Little ________ about her own safety, though she was in great danger herself.
| A．did Rose care | B．Rose did care | C．Rose does care | D．does Rose care |
At the foot of the mountains ____________.
| A．lying a village | B．lies a village | C．lie a village | D．does a village lie |
People are encouraged to speak openly，but careless words are ________to hurt others’ feelings.
| A．possible | B．probable | C．likely | D．sure |